--- a/tools/pas2c.hs Thu May 03 22:48:02 2012 +0200
+++ b/tools/pas2c.hs Tue May 22 11:19:32 2012 +0200
@@ -13,6 +13,7 @@
import Control.Exception
import System.IO.Error
import qualified Data.Map as Map
+import qualified Data.Set as Set
import Data.List (find)
import Numeric
@@ -23,20 +24,25 @@
data InsertOption =
IOInsert
| IOLookup
+ | IOLookupLast
+ | IOLookupFunction Int
| IODeferred
-type Record = (String, (String, BaseType))
+type Record = (String, BaseType)
+type Records = Map.Map String [Record]
data RenderState = RenderState
{
- currentScope :: [Record],
+ currentScope :: Records,
lastIdentifier :: String,
lastType :: BaseType,
stringConsts :: [(String, String)],
uniqCounter :: Int,
- namespaces :: Map.Map String [Record]
+ toMangle :: Set.Set String,
+ currentUnit :: String,
+ namespaces :: Map.Map String Records
}
-emptyState = RenderState [] "" BTUnknown [] 0
+emptyState = RenderState Map.empty "" BTUnknown [] 0 Set.empty ""
getUniq :: State RenderState Int
getUniq = do
@@ -115,16 +121,20 @@
renderCFiles units = do
let u = Map.toList units
let nss = Map.map (toNamespace nss) units
- hPutStrLn stderr $ "Units: " ++ (show . Map.keys . Map.filter (not . null) $ nss)
+ hPutStrLn stderr $ "Units: " ++ (show . Map.keys . Map.filter (not . Map.null) $ nss)
--writeFile "pas2c.log" $ unlines . map (\t -> show (fst t) ++ "\n" ++ (unlines . map ((:) '\t' . show) . snd $ t)) . Map.toList $ nss
mapM_ (toCFiles nss) u
where
- toNamespace :: Map.Map String [Record] -> PascalUnit -> [Record]
+ toNamespace :: Map.Map String Records -> PascalUnit -> Records
toNamespace nss (System tvs) =
- currentScope $ execState (mapM_ (tvar2C True) tvs) (emptyState nss)
- toNamespace _ (Program {}) = []
- toNamespace nss (Unit _ interface _ _ _) =
- currentScope $ execState (interface2C interface) (emptyState nss)
+ currentScope $ execState f (emptyState nss)
+ where
+ f = do
+ checkDuplicateFunDecls tvs
+ mapM_ (tvar2C True) tvs
+ toNamespace _ (Program {}) = Map.empty
+ toNamespace nss (Unit (Identifier i _) interface _ _ _) =
+ currentScope $ execState (interface2C interface) (emptyState nss){currentUnit = map toLower i ++ "_"}
withState' :: (RenderState -> RenderState) -> State RenderState a -> State RenderState a
@@ -142,24 +152,25 @@
withLastIdNamespace f = do
li <- gets lastIdentifier
nss <- gets namespaces
- withState' (\st -> st{currentScope = fromMaybe [] $ Map.lookup li (namespaces st)}) f
+ withState' (\st -> st{currentScope = fromMaybe Map.empty $ Map.lookup li (namespaces st)}) f
withRecordNamespace :: String -> [(String, BaseType)] -> State RenderState Doc -> State RenderState Doc
withRecordNamespace _ [] = error "withRecordNamespace: empty record"
withRecordNamespace prefix recs = withState' f
where
- f st = st{currentScope = records ++ currentScope st}
- records = map (\(a, b) -> (map toLower a, (prefix ++ a, b))) recs
+ f st = st{currentScope = Map.unionWith un records (currentScope st), currentUnit = ""}
+ records = Map.fromList $ map (\(a, b) -> (map toLower a, [(prefix ++ a, b)])) recs
+ un [a] b = a : b
-toCFiles :: Map.Map String [Record] -> (String, PascalUnit) -> IO ()
+toCFiles :: Map.Map String Records -> (String, PascalUnit) -> IO ()
toCFiles _ (_, System _) = return ()
toCFiles ns p@(fn, pu) = do
hPutStrLn stderr $ "Rendering '" ++ fn ++ "'..."
toCFiles' p
where
toCFiles' (fn, p@(Program {})) = writeFile (fn ++ ".c") $ (render2C initialState . pascal2C) p
- toCFiles' (fn, (Unit unitId interface implementation _ _)) = do
- let (a, s) = runState (id2C IOInsert (setBaseType BTUnit unitId) >> interface2C interface) initialState
+ toCFiles' (fn, (Unit unitId@(Identifier i _) interface implementation _ _)) = do
+ let (a, s) = runState (id2C IOInsert (setBaseType BTUnit unitId) >> interface2C interface) initialState{currentUnit = map toLower i ++ "_"}
writeFile (fn ++ ".h") $ "#pragma once\n\n#include \"pas2c.h\"\n\n" ++ (render (a $+$ text ""))
writeFile (fn ++ ".c") $ "#include \"" ++ fn ++ ".h\"\n" ++ (render2C s . implementation2C) implementation
initialState = emptyState ns
@@ -199,9 +210,19 @@
r <- renderStringConsts
return (u $+$ r $+$ tv)
+checkDuplicateFunDecls :: [TypeVarDeclaration] -> State RenderState ()
+checkDuplicateFunDecls tvs =
+ modify $ \s -> s{toMangle = Map.keysSet . Map.filter (> 1) . foldr ins initMap $ tvs}
+ where
+ initMap = Map.empty
+ --initMap = Map.fromList [("reset", 2)]
+ ins (FunctionDeclaration (Identifier i _) _ _ _) m = Map.insertWith (+) (map toLower i) 1 m
+ ins _ m = m
typesAndVars2C :: Bool -> TypesAndVars -> State RenderState Doc
-typesAndVars2C b (TypesAndVars ts) = liftM (vcat . map (<> semi) . concat) $ mapM (tvar2C b) ts
+typesAndVars2C b (TypesAndVars ts) = do
+ checkDuplicateFunDecls ts
+ liftM (vcat . map (<> semi) . concat) $ mapM (tvar2C b) ts
setBaseType :: BaseType -> Identifier -> Identifier
setBaseType bt (Identifier i _) = Identifier i bt
@@ -214,8 +235,7 @@
where
injectNamespace (Identifier i _) = do
getNS <- gets (flip Map.lookup . namespaces)
- let f = flip (foldl (flip (:))) (fromMaybe [] (getNS i))
- modify (\s -> s{currentScope = f $ currentScope s})
+ modify (\s -> s{currentScope = Map.unionWith (++) (fromMaybe Map.empty (getNS i)) $ currentScope s})
uses2List :: Uses -> [String]
uses2List (Uses ids) = map (\(Identifier i _) -> i) ids
@@ -224,49 +244,70 @@
id2C :: InsertOption -> Identifier -> State RenderState Doc
id2C IOInsert (Identifier i t) = do
ns <- gets currentScope
-{-- case t of
- BTUnknown -> do
- ns <- gets currentScope
- error $ "id2C IOInsert: type BTUnknown for " ++ show i ++ "\nnamespace: " ++ show (take 100 ns)
- _ -> do --}
- modify (\s -> s{currentScope = (n, (i, t)) : currentScope s, lastIdentifier = n})
- return $ text i
+ tom <- gets (Set.member n . toMangle)
+ cu <- gets currentUnit
+ let i' = case (t, tom) of
+ (BTFunction p _, True) -> cu ++ i ++ ('_' : show p)
+ (BTFunction _ _, _) -> cu ++ i
+ _ -> i
+ modify (\s -> s{currentScope = Map.insertWith (++) n [(i', t)] (currentScope s), lastIdentifier = n})
+ return $ text i'
where
n = map toLower i
-id2C IOLookup (Identifier i t) = do
+id2C IOLookup i = id2CLookup head i
+id2C IOLookupLast i = id2CLookup last i
+id2C (IOLookupFunction params) (Identifier i t) = do
let i' = map toLower i
- v <- gets $ find (\(a, _) -> a == i') . currentScope
- ns <- gets currentScope
+ v <- gets $ Map.lookup i' . currentScope
lt <- gets lastType
if isNothing v then
- error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt ++ "\n" ++ show (take 100 ns)
+ error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt ++ "\nwith num of params = " ++ show params ++ "\n" ++ show v
else
- let vv = snd $ fromJust v in modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
+ let vv = fromMaybe (head $ fromJust v) . find checkParam $ fromJust v in
+ modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
+ where
+ checkParam (_, BTFunction p _) = p == params
+ checkParam _ = False
id2C IODeferred (Identifier i t) = do
let i' = map toLower i
- v <- gets $ find (\(a, _) -> a == i') . currentScope
+ v <- gets $ Map.lookup i' . currentScope
if (isNothing v) then
- return $ text i
+ modify (\s -> s{lastType = BTUnknown, lastIdentifier = i}) >> return (text i)
else
- return . text . fst . snd . fromJust $ v
+ let vv = head $ fromJust v in modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
+id2CLookup :: ([Record] -> Record) -> Identifier -> State RenderState Doc
+id2CLookup f (Identifier i _) = do
+ let i' = map toLower i
+ v <- gets $ Map.lookup i' . currentScope
+ lt <- gets lastType
+ if isNothing v then
+ error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt
+ else
+ let vv = f $ fromJust v in modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
+
+
id2CTyped :: TypeDecl -> Identifier -> State RenderState Doc
id2CTyped t (Identifier i _) = do
tb <- resolveType t
- ns <- gets currentScope
- case tb of
- BTUnknown -> do
- ns <- gets currentScope
- error $ "id2CTyped: type BTUnknown for " ++ show i ++ "\ntype: " ++ show t ++ "\nnamespace: " ++ show (take 100 ns)
- _ -> return ()
- id2C IOInsert (Identifier i tb)
+ case (t, tb) of
+ (_, BTUnknown) -> do
+ error $ "id2CTyped: type BTUnknown for " ++ show i ++ "\ntype: " ++ show t
+ (SimpleType {}, BTRecord _ r) -> do
+ ts <- type2C t
+ id2C IOInsert (Identifier i (BTRecord (render $ ts empty) r))
+ (_, BTRecord _ r) -> do
+ ts <- type2C t
+ id2C IOInsert (Identifier i (BTRecord i r))
+ _ -> id2C IOInsert (Identifier i tb)
+
resolveType :: TypeDecl -> State RenderState BaseType
resolveType st@(SimpleType (Identifier i _)) = do
let i' = map toLower i
- v <- gets $ find (\(a, _) -> a == i') . currentScope
- if isJust v then return . snd . snd $ fromJust v else return $ f i'
+ v <- gets $ Map.lookup i' . currentScope
+ if isJust v then return . snd . head $ fromJust v else return $ f i'
where
f "integer" = BTInt
f "pointer" = BTPointerTo BTVoid
@@ -279,7 +320,7 @@
resolveType (PointerTo t) = liftM BTPointerTo $ resolveType t
resolveType (RecordType tv mtvs) = do
tvs <- mapM f (concat $ tv : fromMaybe [] mtvs)
- return . BTRecord . concat $ tvs
+ return . BTRecord "" . concat $ tvs
where
f :: TypeVarDeclaration -> State RenderState [(String, BaseType)]
f (VarDeclaration _ (ids, td) _) = mapM (\(Identifier i _) -> liftM ((,) i) $ resolveType td) ids
@@ -287,7 +328,7 @@
t' <- resolveType t
return $ BTArray i BTInt t'
resolveType (ArrayDecl Nothing t) = liftM (BTArray RangeInfinite BTInt) $ resolveType t
-resolveType (FunctionType t _) = liftM BTFunction $ resolveType t
+resolveType (FunctionType t a) = liftM (BTFunction (length a)) $ resolveType t
resolveType (DeriveType (InitHexNumber _)) = return BTInt
resolveType (DeriveType (InitNumber _)) = return BTInt
resolveType (DeriveType (InitFloat _)) = return BTFloat
@@ -306,37 +347,41 @@
resolve :: String -> BaseType -> State RenderState BaseType
resolve s (BTUnresolved t) = do
- v <- gets $ find (\(a, _) -> a == t) . currentScope
+ v <- gets $ Map.lookup t . currentScope
if isJust v then
- resolve s . snd . snd . fromJust $ v
+ resolve s . snd . head . fromJust $ v
else
error $ "Unknown type " ++ show t ++ "\n" ++ s
resolve _ t = return t
fromPointer :: String -> BaseType -> State RenderState BaseType
fromPointer s (BTPointerTo t) = resolve s t
-fromPointer s (BTFunctionReturn _ (BTPointerTo t)) = resolve s t
fromPointer s t = do
- ns <- gets currentScope
- error $ "Dereferencing from non-pointer type " ++ show t ++ "\n" ++ s ++ "\n\n" ++ show (take 100 ns)
+ error $ "Dereferencing from non-pointer type " ++ show t ++ "\n" ++ s
functionParams2C params = liftM (hcat . punctuate comma . concat) $ mapM (tvar2C False) params
+numberOfDeclarations :: [TypeVarDeclaration] -> Int
+numberOfDeclarations = sum . map cnt
+ where
+ cnt (VarDeclaration _ (ids, _) _) = length ids
+ cnt _ = 1
+
fun2C :: Bool -> String -> TypeVarDeclaration -> State RenderState [Doc]
fun2C _ _ (FunctionDeclaration name returnType params Nothing) = do
t <- type2C returnType
t'<- gets lastType
p <- withState' id $ functionParams2C params
- n <- id2C IOInsert $ setBaseType (BTFunction t') name
+ n <- id2C IOInsert $ setBaseType (BTFunction (numberOfDeclarations params) t') name
return [t empty <+> n <> parens p]
fun2C True rv (FunctionDeclaration name returnType params (Just (tvars, phrase))) = do
let res = docToLower $ text rv <> text "_result"
t <- type2C returnType
t'<- gets lastType
- n <- id2C IOInsert $ setBaseType (BTFunction t') name
- (p, ph) <- withState' (\st -> st{currentScope = (map toLower rv, (render res, BTFunctionReturn (render n) t')) : currentScope st}) $ do
+ n <- id2C IOInsert $ setBaseType (BTFunction (numberOfDeclarations params) t') name
+ (p, ph) <- withState' (\st -> st{currentScope = Map.insertWith un (map toLower rv) [(render res, t')] $ currentScope st}) $ do
p <- functionParams2C params
ph <- liftM2 ($+$) (typesAndVars2C False tvars) (phrase2C' phrase)
return (p, ph)
@@ -354,6 +399,7 @@
where
phrase2C' (Phrases p) = liftM vcat $ mapM phrase2C p
phrase2C' p = phrase2C p
+ un [a] b = a : b
fun2C False _ (FunctionDeclaration (Identifier name _) _ _ _) = error $ "nested functions not allowed: " ++ name
fun2C _ tv _ = error $ "fun2C: I don't render " ++ show tv
@@ -363,9 +409,7 @@
fun2C b name f
tvar2C _ td@(TypeDeclaration i' t) = do
i <- id2CTyped t i'
- tp <- case t of
- FunctionType {} -> type2C (PointerTo t)
- _ -> type2C t
+ tp <- type2C t
return [text "typedef" <+> tp i]
tvar2C _ (VarDeclaration isConst (ids, t) mInitExpr) = do
@@ -380,6 +424,7 @@
i' <- id2CTyped t i
ie <- initExpr2C e
return [text "#define" <+> i' <+> parens ie <> text "\n"]
+ (_, BTFunction{}, _, Nothing) -> liftM (map(\i -> t' $ text "*" <+> i)) $ mapM (id2CTyped t) ids
_ -> liftM (map(\i -> t' i <+> ie)) $ mapM (id2CTyped t) ids
where
initExpr Nothing = return $ empty
@@ -394,9 +439,7 @@
op2CTyped op t = do
t' <- liftM (render . hcat . punctuate (char '_') . map (\t -> t empty)) $ mapM type2C t
bt <- gets lastType
- return $ case bt of
- BTRecord {} -> Identifier (t' ++ "_op_" ++ opStr) bt
- _ -> Identifier t' bt
+ return $ Identifier (t' ++ "_op_" ++ opStr) bt
where
opStr = case op of
"+" -> "add"
@@ -406,6 +449,7 @@
"=" -> "eq"
"<" -> "lt"
">" -> "gt"
+ "<>" -> "neq"
_ -> error $ "op2CTyped: unknown op '" ++ op ++ "'"
extractTypes :: [TypeVarDeclaration] -> [TypeDecl]
@@ -414,27 +458,28 @@
f (VarDeclaration _ (ids, t) _) = replicate (length ids) t
f a = error $ "extractTypes: can't extract from " ++ show a
-initExpr2C :: InitExpression -> State RenderState Doc
-initExpr2C InitNull = return $ text "NULL"
-initExpr2C (InitAddress expr) = liftM ((<>) (text "&")) (initExpr2C expr)
-initExpr2C (InitPrefixOp op expr) = liftM (text (op2C op) <>) (initExpr2C expr)
-initExpr2C (InitBinOp op expr1 expr2) = do
- e1 <- initExpr2C expr1
- e2 <- initExpr2C expr2
+initExpr2C, initExpr2C' :: InitExpression -> State RenderState Doc
+initExpr2C (InitArray values) = liftM (braces . vcat . punctuate comma) $ mapM initExpr2C values
+initExpr2C a = initExpr2C' a
+initExpr2C' InitNull = return $ text "NULL"
+initExpr2C' (InitAddress expr) = liftM ((<>) (text "&")) (initExpr2C' expr)
+initExpr2C' (InitPrefixOp op expr) = liftM (text (op2C op) <>) (initExpr2C' expr)
+initExpr2C' (InitBinOp op expr1 expr2) = do
+ e1 <- initExpr2C' expr1
+ e2 <- initExpr2C' expr2
return $ parens $ e1 <+> text (op2C op) <+> e2
-initExpr2C (InitNumber s) = return $ text s
-initExpr2C (InitFloat s) = return $ text s
-initExpr2C (InitHexNumber s) = return $ text "0x" <> (text . map toLower $ s)
-initExpr2C (InitString [a]) = return . quotes $ text [a]
-initExpr2C (InitString s) = return $ strInit s
-initExpr2C (InitChar a) = return $ quotes $ text "\\x" <> text (showHex (read a) "")
-initExpr2C (InitReference i) = id2C IOLookup i
-initExpr2C (InitRecord fields) = do
+initExpr2C' (InitNumber s) = return $ text s
+initExpr2C' (InitFloat s) = return $ text s
+initExpr2C' (InitHexNumber s) = return $ text "0x" <> (text . map toLower $ s)
+initExpr2C' (InitString [a]) = return . quotes $ text [a]
+initExpr2C' (InitString s) = return $ strInit s
+initExpr2C' (InitChar a) = return $ quotes $ text "\\x" <> text (showHex (read a) "")
+initExpr2C' (InitReference i) = id2C IOLookup i
+initExpr2C' (InitRecord fields) = do
(fs :: [Doc]) <- mapM (\(Identifier a _, b) -> liftM (text "." <> text a <+> equals <+>) $ initExpr2C b) fields
return $ lbrace $+$ (nest 4 . vcat . punctuate comma $ fs) $+$ rbrace
-initExpr2C (InitArray [value]) = initExpr2C value
-initExpr2C (InitArray values) = liftM (braces . vcat . punctuate comma) $ mapM initExpr2C values
-initExpr2C r@(InitRange (Range i@(Identifier i' _))) = do
+initExpr2C' (InitArray [value]) = initExpr2C value
+initExpr2C' r@(InitRange (Range i@(Identifier i' _))) = do
id2C IOLookup i
t <- gets lastType
case t of
@@ -443,28 +488,28 @@
"byte" -> return $ int 256
_ -> error $ "InitRange identifier: " ++ i'
_ -> error $ "InitRange: " ++ show r
-initExpr2C (InitRange (RangeFromTo (InitNumber "0") r)) = initExpr2C $ BuiltInFunction "succ" [r]
-initExpr2C (InitRange (RangeFromTo (InitChar "0") (InitChar r))) = initExpr2C $ BuiltInFunction "succ" [InitNumber r]
-initExpr2C (InitRange a) = error $ show a --return $ text "<<range>>"
-initExpr2C (InitSet []) = return $ text "0"
-initExpr2C (InitSet a) = return $ text "<<set>>"
-initExpr2C (BuiltInFunction "low" [InitReference e]) = return $
+initExpr2C' (InitRange (RangeFromTo (InitNumber "0") r)) = initExpr2C $ BuiltInFunction "succ" [r]
+initExpr2C' (InitRange (RangeFromTo (InitChar "0") (InitChar r))) = initExpr2C $ BuiltInFunction "succ" [InitNumber r]
+initExpr2C' (InitRange a) = error $ show a --return $ text "<<range>>"
+initExpr2C' (InitSet []) = return $ text "0"
+initExpr2C' (InitSet a) = return $ text "<<set>>"
+initExpr2C' (BuiltInFunction "low" [InitReference e]) = return $
case e of
(Identifier "LongInt" _) -> int (-2^31)
(Identifier "SmallInt" _) -> int (-2^15)
_ -> error $ "BuiltInFunction 'low': " ++ show e
-initExpr2C (BuiltInFunction "high" [e]) = do
+initExpr2C' (BuiltInFunction "high" [e]) = do
initExpr2C e
t <- gets lastType
case t of
- (BTArray i _ _) -> initExpr2C $ BuiltInFunction "pred" [InitRange i]
+ (BTArray i _ _) -> initExpr2C' $ BuiltInFunction "pred" [InitRange i]
a -> error $ "BuiltInFunction 'high': " ++ show a
-initExpr2C (BuiltInFunction "succ" [BuiltInFunction "pred" [e]]) = initExpr2C e
-initExpr2C (BuiltInFunction "pred" [BuiltInFunction "succ" [e]]) = initExpr2C e
-initExpr2C (BuiltInFunction "succ" [e]) = liftM (<> text " + 1") $ initExpr2C e
-initExpr2C (BuiltInFunction "pred" [e]) = liftM (<> text " - 1") $ initExpr2C e
-initExpr2C b@(BuiltInFunction _ _) = error $ show b
-initExpr2C a = error $ "initExpr2C: don't know how to render " ++ show a
+initExpr2C' (BuiltInFunction "succ" [BuiltInFunction "pred" [e]]) = initExpr2C' e
+initExpr2C' (BuiltInFunction "pred" [BuiltInFunction "succ" [e]]) = initExpr2C' e
+initExpr2C' (BuiltInFunction "succ" [e]) = liftM (<> text " + 1") $ initExpr2C' e
+initExpr2C' (BuiltInFunction "pred" [e]) = liftM (<> text " - 1") $ initExpr2C' e
+initExpr2C' b@(BuiltInFunction _ _) = error $ show b
+initExpr2C' a = error $ "initExpr2C: don't know how to render " ++ show a
range2C :: InitExpression -> State RenderState [Doc]
@@ -489,32 +534,43 @@
where
type2C' VoidType = return (text "void" <+>)
type2C' (String l) = return (text "string255" <+>)--return (text ("string" ++ show l) <+>)
- type2C' (PointerTo (SimpleType i)) = liftM (\i a -> text "struct __" <> i <+> text "*" <+> a) $ id2C IODeferred i
+ type2C' (PointerTo (SimpleType i)) = do
+ i' <- id2C IODeferred i
+ lt <- gets lastType
+ case lt of
+ BTRecord _ _ -> return $ \a -> text "struct __" <> i' <+> text "*" <+> a
+ BTUnknown -> return $ \a -> text "struct __" <> i' <+> text "*" <+> a
+ _ -> return $ \a -> i' <+> text "*" <+> a
type2C' (PointerTo t) = liftM (\t a -> t (parens $ text "*" <> a)) $ type2C t
type2C' (RecordType tvs union) = do
- t <- withState' id $ mapM (tvar2C False) tvs
+ t <- withState' f $ mapM (tvar2C False) tvs
u <- unions
return $ \i -> text "struct __" <> i <+> lbrace $+$ nest 4 ((vcat . map (<> semi) . concat $ t) $$ u) $+$ rbrace <+> i
where
+ f s = s{currentUnit = ""}
unions = case union of
Nothing -> return empty
Just a -> do
structs <- mapM struct2C a
return $ text "union" $+$ braces (nest 4 $ vcat structs) <> semi
struct2C tvs = do
- t <- withState' id $ mapM (tvar2C False) tvs
+ t <- withState' f $ mapM (tvar2C False) tvs
return $ text "struct" $+$ braces (nest 4 (vcat . map (<> semi) . concat $ t)) <> semi
type2C' (RangeType r) = return (text "int" <+>)
type2C' (Sequence ids) = do
is <- mapM (id2C IOInsert . setBaseType bt) ids
- return (text "enum" <+> (braces . vcat . punctuate comma . map (\(a, b) -> a <+> equals <+> text "0x" <> text (showHex b "")) $ zip is [1..]) <+>)
+ return (text "enum" <+> (braces . vcat . punctuate comma . map (\(a, b) -> a <+> equals <+> text "0x" <> text (showHex b "")) $ zip is [0..]) <+>)
where
bt = BTEnum $ map (\(Identifier i _) -> map toLower i) ids
type2C' (ArrayDecl Nothing t) = type2C (PointerTo t)
type2C' (ArrayDecl (Just r) t) = do
t' <- type2C t
+ lt <- gets lastType
+ ft <- case lt of
+ BTFunction {} -> type2C (PointerTo t)
+ _ -> return t'
r' <- initExpr2C (InitRange r)
- return $ \i -> t' i <> brackets r'
+ return $ \i -> ft i <> brackets r'
type2C' (Set t) = return (text "<<set>>" <+>)
type2C' (FunctionType returnType params) = do
t <- type2C returnType
@@ -555,10 +611,22 @@
phrase2C (Assignment ref expr) = do
r <- ref2C ref
t <- gets lastType
- e <- case (t, expr) of
- (BTFunction _, (Reference r')) -> ref2C r'
- _ -> expr2C expr
- return $ r <+> text "=" <+> e <> semi
+ case (t, expr) of
+ (BTFunction {}, (Reference r')) -> do
+ e <- ref2C r'
+ return $ r <+> text "=" <+> e <> semi
+ (BTArray (Range _) _ _, _) -> phrase2C $
+ ProcCall (FunCall
+ [
+ Reference $ Address ref
+ , Reference $ Address $ RefExpression expr
+ , Reference $ FunCall [expr] (SimpleReference (Identifier "sizeof" BTUnknown))
+ ]
+ (SimpleReference (Identifier "memcpy" BTUnknown))
+ ) []
+ _ -> do
+ e <- expr2C expr
+ return $ r <+> text "=" <+> e <> semi
phrase2C (WhileCycle expr phrase) = do
e <- expr2C expr
p <- phrase2C $ wrapPhrase phrase
@@ -585,10 +653,9 @@
r <- ref2C ref
t <- gets lastType
case t of
- (BTRecord rs) -> withRecordNamespace (render r ++ ".") rs $ phrase2C $ wrapPhrase p
+ (BTRecord _ rs) -> withRecordNamespace (render r ++ ".") rs $ phrase2C $ wrapPhrase p
a -> do
- ns <- gets currentScope
- error $ "'with' block referencing non-record type " ++ show a ++ "\n" ++ show wb ++ "\nnamespace: " ++ show (take 100 ns)
+ error $ "'with' block referencing non-record type " ++ show a ++ "\n" ++ show wb
phrase2C (ForCycle i' e1' e2' p) = do
i <- id2C IOLookup i'
e1 <- expr2C e1'
@@ -605,7 +672,9 @@
phrase2C NOP = return $ text ";"
phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "exit" BTUnknown))) = return $ text "return" <> semi
-phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "exit" BTUnknown))) = liftM (\e -> text "return" <> e <> semi) $ expr2C e
+phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "break" BTUnknown))) = return $ text "break" <> semi
+phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "continue" BTUnknown))) = return $ text "continue" <> semi
+phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "exit" BTUnknown))) = liftM (\e -> text "return" <+> e <> semi) $ expr2C e
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "dec" BTUnknown))) = liftM (\e -> text "--" <> e <> semi) $ expr2C e
phrase2C (BuiltInFunctionCall [e1, e2] (SimpleReference (Identifier "dec" BTUnknown))) = liftM2 (\a b -> a <> text " -= " <> b <> semi) (expr2C e1) (expr2C e2)
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "inc" BTUnknown))) = liftM (\e -> text "++" <> e <> semi) $ expr2C e
@@ -617,50 +686,104 @@
expr2C :: Expression -> State RenderState Doc
expr2C (Expression s) = return $ text s
-expr2C (BinOp op expr1 expr2) = do
+expr2C b@(BinOp op expr1 expr2) = do
e1 <- expr2C expr1
t1 <- gets lastType
e2 <- expr2C expr2
t2 <- gets lastType
case (op2C op, t1, t2) of
- ("+", BTString, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strconcat" (BTFunction BTString))
- ("+", BTString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strappend" (BTFunction BTString))
- ("+", BTChar, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strprepend" (BTFunction BTString))
- ("==", BTString, _) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcompare" (BTFunction BTBool))
- ("!=", BTString, _) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strncompare" (BTFunction BTBool))
+ ("+", BTString, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strconcat" (BTFunction 2 BTString))
+ ("+", BTString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strappend" (BTFunction 2 BTString))
+ ("+", BTChar, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strprepend" (BTFunction 2 BTString))
+ ("==", BTString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcomparec" (BTFunction 2 BTBool))
+ ("==", BTString, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcompare" (BTFunction 2 BTBool))
+ ("!=", BTString, _) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strncompare" (BTFunction 2 BTBool))
("&", BTBool, _) -> return $ parens e1 <+> text "&&" <+> parens e2
("|", BTBool, _) -> return $ parens e1 <+> text "||" <+> parens e2
+ (_, BTRecord t1 _, BTRecord t2 _) -> do
+ i <- op2CTyped op [SimpleType (Identifier t1 undefined), SimpleType (Identifier t2 undefined)]
+ ref2C $ FunCall [expr1, expr2] (SimpleReference i)
+ (_, BTRecord t1 _, BTInt) -> do
+ -- aw, "LongInt" here is hwengine-specific hack
+ i <- op2CTyped op [SimpleType (Identifier t1 undefined), SimpleType (Identifier "LongInt" undefined)]
+ ref2C $ FunCall [expr1, expr2] (SimpleReference i)
+ ("in", _, _) ->
+ case expr2 of
+ SetExpression set -> do
+ ids <- mapM (id2C IOLookup) set
+ return . parens . hcat . punctuate (text " || ") . map (\i -> parens $ e1 <+> text "==" <+> i) $ ids
+ _ -> error "'in' against not set expression"
(o, _, _) | o `elem` boolOps -> do
modify(\s -> s{lastType = BTBool})
return $ parens e1 <+> text o <+> parens e2
| otherwise -> return $ parens e1 <+> text o <+> parens e2
where
boolOps = ["==", "!=", "<", ">", "<=", ">="]
-expr2C (NumberLiteral s) = return $ text s
+expr2C (NumberLiteral s) = do
+ modify(\s -> s{lastType = BTInt})
+ return $ text s
expr2C (FloatLiteral s) = return $ text s
expr2C (HexNumber s) = return $ text "0x" <> (text . map toLower $ s)
-expr2C (StringLiteral [a]) = do
+{-expr2C (StringLiteral [a]) = do
modify(\s -> s{lastType = BTChar})
- return . quotes $ text [a]
+ return . quotes . text $ escape a
+ where
+ escape '\'' = "\\\'"
+ escape a = [a]-}
expr2C (StringLiteral s) = addStringConst s
+expr2C (PCharLiteral s) = return . doubleQuotes $ text s
expr2C (Reference ref) = ref2CF ref
-expr2C (PrefixOp op expr) = liftM (text (op2C op) <>) (expr2C expr)
+expr2C (PrefixOp op expr) = do
+ e <- expr2C expr
+ lt <- gets lastType
+ case lt of
+ BTRecord t _ -> do
+ i <- op2CTyped op [SimpleType (Identifier t undefined)]
+ ref2C $ FunCall [expr] (SimpleReference i)
+ _ -> return $ text (op2C op) <> e
expr2C Null = return $ text "NULL"
expr2C (CharCode a) = do
modify(\s -> s{lastType = BTChar})
return $ quotes $ text "\\x" <> text (showHex (read a) "")
-expr2C (HexCharCode a) = return $ quotes $ text "\\x" <> text (map toLower a)
+expr2C (HexCharCode a) = if length a <= 2 then return $ quotes $ text "\\x" <> text (map toLower a) else expr2C $ HexNumber a
expr2C (SetExpression ids) = mapM (id2C IOLookup) ids >>= return . parens . hcat . punctuate (text " | ")
+expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "low" _))) = do
+ e' <- liftM (map toLower . render) $ expr2C e
+ lt <- gets lastType
+ case lt of
+ BTEnum a -> return $ int 0
+ BTInt -> case e' of
+ "longint" -> return $ int (-2147483648)
+ BTArray {} -> return $ int 0
+ _ -> error $ "BuiltInFunCall 'low' from " ++ show e ++ "\ntype: " ++ show lt
+expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "high" _))) = do
+ e' <- liftM (map toLower . render) $ expr2C e
+ lt <- gets lastType
+ case lt of
+ BTEnum a -> return . int $ length a - 1
+ BTInt -> case e' of
+ "longint" -> return $ int (2147483647)
+ BTString -> return $ int 255
+ BTArray (RangeFromTo _ n) _ _ -> initExpr2C n
+ _ -> error $ "BuiltInFunCall 'high' from " ++ show e ++ "\ntype: " ++ show lt
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "ord" _))) = liftM parens $ expr2C e
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "succ" _))) = liftM (<> text " + 1") $ expr2C e
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "pred" _))) = liftM (<> text " - 1") $ expr2C e
+expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "length" _))) = do
+ e' <- expr2C e
+ lt <- gets lastType
+ modify (\s -> s{lastType = BTInt})
+ case lt of
+ BTString -> return $ text "Length" <> parens e'
+ BTArray {} -> return $ text "length_ar" <> parens e'
+ _ -> error $ "length() called on " ++ show lt
expr2C (BuiltInFunCall params ref) = do
r <- ref2C ref
t <- gets lastType
ps <- mapM expr2C params
case t of
- BTFunction t' -> do
+ BTFunction _ t' -> do
modify (\s -> s{lastType = t'})
_ -> error $ "BuiltInFunCall lastType: " ++ show t
return $
@@ -672,7 +795,17 @@
i <- id2C IOLookup name
t <- gets lastType
case t of
- BTFunction _ -> return $ i <> parens empty
+ BTFunction _ rt -> do
+ modify(\s -> s{lastType = rt})
+ return $ i <> parens empty
+ _ -> return $ i
+ref2CF r@(RecordField (SimpleReference _) (SimpleReference _)) = do
+ i <- ref2C r
+ t <- gets lastType
+ case t of
+ BTFunction _ rt -> do
+ modify(\s -> s{lastType = rt})
+ return $ i <> parens empty
_ -> return $ i
ref2CF r = ref2C r
@@ -688,18 +821,17 @@
e <- expr2C expr
r <- ref2C ref
t <- gets lastType
- ns <- gets currentScope
case t of
(BTArray _ _ t') -> modify (\st -> st{lastType = t'})
- (BTFunctionReturn _ (BTArray _ _ t')) -> modify (\st -> st{lastType = t'})
- (BTFunctionReturn _ (BTString)) -> modify (\st -> st{lastType = BTChar})
+-- (BTFunctionReturn _ (BTArray _ _ t')) -> modify (\st -> st{lastType = t'})
+-- (BTFunctionReturn _ (BTString)) -> modify (\st -> st{lastType = BTChar})
(BTString) -> modify (\st -> st{lastType = BTChar})
(BTPointerTo t) -> do
t'' <- fromPointer (show t) =<< gets lastType
case t'' of
BTChar -> modify (\st -> st{lastType = BTChar})
- a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae ++ "\n" ++ show (take 100 ns)
- a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae ++ "\n" ++ show (take 100 ns)
+ a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae
+ a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae
case t of
BTString -> return $ r <> text ".s" <> brackets e
_ -> return $ r <> brackets e
@@ -707,44 +839,40 @@
ref2C rf@(RecordField (Dereference ref1) ref2) = do
r1 <- ref2C ref1
t <- fromPointer (show ref1) =<< gets lastType
- ns <- gets currentScope
r2 <- case t of
- BTRecord rs -> withRecordNamespace "" rs $ ref2C ref2
- BTUnit -> withLastIdNamespace $ ref2C ref2
- a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf ++ "\n" ++ show (take 100 ns)
+ BTRecord _ rs -> withRecordNamespace "" rs $ ref2C ref2
+ BTUnit -> error "What??"
+ a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf
return $
r1 <> text "->" <> r2
ref2C rf@(RecordField ref1 ref2) = do
r1 <- ref2C ref1
t <- gets lastType
- ns <- gets currentScope
- r2 <- case t of
- BTFunctionReturn s (BTRecord rs) -> withRecordNamespace "" rs $ ref2C ref2
- BTRecord rs -> withRecordNamespace "" rs $ ref2C ref2
- BTUnit -> withLastIdNamespace $ ref2C ref2
- a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf ++ "\n" ++ show (take 100 ns)
- return $
- r1 <> text "." <> r2
+ case t of
+ BTRecord _ rs -> do
+ r2 <- withRecordNamespace "" rs $ ref2C ref2
+ return $ r1 <> text "." <> r2
+ BTUnit -> withLastIdNamespace $ ref2C ref2
+ a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf
ref2C d@(Dereference ref) = do
r <- ref2C ref
t <- fromPointer (show d) =<< gets lastType
modify (\st -> st{lastType = t})
return $ (parens $ text "*" <> r)
ref2C f@(FunCall params ref) = do
- r <- ref2C ref
+ r <- fref2C ref
t <- gets lastType
case t of
- BTFunction t' -> do
+ BTFunction _ t' -> do
ps <- liftM (parens . hsep . punctuate (char ',')) $ mapM expr2C params
modify (\s -> s{lastType = t'})
return $ r <> ps
- BTFunctionReturn r t' -> do
- ps <- liftM (parens . hsep . punctuate (char ',')) $ mapM expr2C params
- modify (\s -> s{lastType = t'})
- return $ text r <> ps
_ -> case (ref, params) of
(SimpleReference i, [p]) -> ref2C $ TypeCast i p
_ -> error $ "ref2C FunCall erroneous type cast detected: " ++ show f ++ "\nType detected: " ++ show t
+ where
+ fref2C (SimpleReference name) = id2C (IOLookupFunction $ length params) name
+ fref2C a = ref2C a
ref2C (Address ref) = do
r <- ref2C ref
@@ -755,7 +883,7 @@
a -> do
e <- expr2C expr
t <- id2C IOLookup t'
- return $ parens t <> e
+ return . parens $ parens t <> e
ref2C (RefExpression expr) = expr2C expr